Etihad Airways & Booking.com

Refund ; Etihad Airways & Booking.com keep blaming each other AND refer me to each other. Both of you keep blaming the other one - thus I WILL continuous mentioned BOTH on social medias. . Read, re-read ALL my previous emails! How did you come to your scales? SAR 4358.14 - SAR 1201.12(27.6%) = SAR3157.02(where is this refund?)